Intel Core i5-9600KF VS Intel Core i5-7640X

Comparison of video cards Intel Core i5-9600KF vs Intel Core i5-7640X in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Intel Core i5-9600KF

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More number of cores

6 4

2 times more threads
Higher turbo clock speed

4.60 GHz 4.20 GHz

Around 9% better overclocked clock speed
Performance per watt

95 W 112 W

About 1.18 0.97 times less performance per watt

Top features of Intel Core i5-7640X

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Higher clock speed

4.00 GHz 3.70 GHz

Around 8% better clock speed

Specifications

Complete list of technical specifications

Intel Core i5-9600KF Intel Core i5-7640X

CPU generation and family

Let's find out which one of Intel Core i5-9600KF and Intel Core i5-7640X is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Core i5-9600KF Intel Core i5-7640X
Segment	Desktop / Server Desktop / Server
Family	Intel Core i5 Intel Core i5
Generation	9 7
CPU group	Intel Core i 9000 Intel Core i 7000X
Successor	Intel Core i5-10600KF --

CPU Cores and Base Frequency

In this block we are going to compare Intel Core i5-9600KF vs Intel Core i5-7640X by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	3.70 GHz 4.00 GHz
CPU Cores	6 4
Turbo (1 Core)	4.60 GHz 4.20 GHz
CPU Threads	6 8
Hyperthreading	No Yes
Overclocking	Yes Yes
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in Intel Core i5-9600KF and Intel Core i5-7640X along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	no iGPU no iGPU
GPU (Turbo)	No turbo No turbo

Hardware codec support

Let's compare the support of video codecs between Intel Core i5-9600KF and Intel Core i5-7640X. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	No No
h265 / HEVC (10 bit)	No No
h264	No No
VP9	No No
VP8	No No
AV1	No No
AVC	No No
VC-1	No No
JPEG	No No

Memory & PCIe

To choose the best model between Intel Core i5-9600KF and Intel Core i5-7640X you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-2666 DDR4-2666
Max. Memory	128 GB
ECC	No No
Memory channels	2 2
PCIe version	3.0 3.0
PCIe lanes	16 16

Encryption

AES-NI encryption support for CPUs Intel Core i5-9600KF and Intel Core i5-7640X.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for Intel Core i5-9600KF or Intel Core i5-7640X? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	95 W 112 W
Tjunction max.	100 °C --

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i5-9600KF and Intel Core i5-7640X CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
ISA extensions	SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX-512
L3-Cache	9.00 MB 6.00 MB
Architecture	Coffee Lake S Refresh Skylake X
Technology	14 nm 14 nm
Socket	LGA 1151-2 LGA 2066
Release date	Q1/2019 Q2/2017